2024-01-10_ef668c3fe32918c07a41a6ec515ae2ec_ryuk

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General

Target

2024-01-10_ef668c3fe32918c07a41a6ec515ae2ec_ryuk
Size

961KB
MD5

ef668c3fe32918c07a41a6ec515ae2ec
SHA1

42b66c44a4f2255feae4b0bb82a2970a2da8e85c
SHA256

917ef14b61598606f6e90474c28a93cd9a0a775ac255778e02a0fe28d243cc8e
SHA512

b066af5470c586b549d4d3336b8819eb6c43fe10dc044163c157e517c297ad4d6814791e209243c04ce863458789e138dc59a0535cfd544844c1d73f20080fc6
SSDEEP

12288:yJfFVYGuohLkshLkshLkshLkshLkshLkshLkshLkshLkswwwwww:0frYGu055555555

Score

1^/10

Malware Config

Signatures

Files

2024-01-10_ef668c3fe32918c07a41a6ec515ae2ec_ryuk
.exe windows:6 windows x64 arch:x64

5b71738cf40776842c82ae92e2ea9fb7

Code Sign

87:82:52:60:00:00:00:00:51:d3:73:d9
Certificate

Issuer

CN=Entrust Root Certification Authority - G2,OU=See www.entrust.net/legal-terms+OU=(c) 2009 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

10-06-2015 13:42

Not After

10-11-2030 14:12

Subject

CN=Entrust Extended Validation Code Signing CA - EVCS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6
Certificate

Issuer

CN=Entrust Extended Validation Code Signing CA - EVCS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

26-04-2019 07:00

Not After

26-04-2021 07:30

Subject

SERIALNUMBER=91440101583379031K,CN=GUANZHOU GAOMON ELECTRONIC TECHNOLOGY CO.\,LTD .,O=GUANZHOU GAOMON ELECTRONIC TECHNOLOGY CO.\,LTD .,L=Guangzhou,ST=Guangdong,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#13094775616e677a686f75,1.3.6.1.4.1.311.60.2.1.2=#13094775616e67646f6e67,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2014 00:00

Not After

22-10-2024 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10-11-2006 00:00

Not After

10-11-2021 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

87:82:52:60:00:00:00:00:51:d3:73:d9
Certificate

Issuer

CN=Entrust Root Certification Authority - G2,OU=See www.entrust.net/legal-terms+OU=(c) 2009 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

10-06-2015 13:42

Not After

10-11-2030 14:12

Subject

CN=Entrust Extended Validation Code Signing CA - EVCS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6
Certificate

Issuer

CN=Entrust Extended Validation Code Signing CA - EVCS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

26-04-2019 07:00

Not After

26-04-2021 07:30

Subject

SERIALNUMBER=91440101583379031K,CN=GUANZHOU GAOMON ELECTRONIC TECHNOLOGY CO.\,LTD .,O=GUANZHOU GAOMON ELECTRONIC TECHNOLOGY CO.\,LTD .,L=Guangzhou,ST=Guangdong,C=CN,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#13094775616e677a686f75,1.3.6.1.4.1.311.60.2.1.2=#13094775616e67646f6e67,1.3.6.1.4.1.311.60.2.1.3=#1302434e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-10-2019 00:00

Not After

17-10-2030 00:00

Subject

CN=TIMESTAMP-SHA256-2019-10-15,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07-01-2016 12:00

Not After

07-01-2031 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4c:1f:d2:cf:cd:b1:b8:29:aa:60:8a:a4:c8:b0:90:2c:22:ee:fe:3e:cc:2a:c8:02:ed:95:0f:23:e2:4b:1c:7b
Signer

Actual PE Digest

4c:1f:d2:cf:cd:b1:b8:29:aa:60:8a:a4:c8:b0:90:2c:22:ee:fe:3e:cc:2a:c8:02:ed:95:0f:23:e2:4b:1c:7b

Digest Algorithm

sha256

PE Digest Matches

false

63:c7:da:f7:d2:2c:98:57:0b:3c:d9:4f:82:12:7f:59:6b:1e:dd:ca
Signer

Actual PE Digest

63:c7:da:f7:d2:2c:98:57:0b:3c:d9:4f:82:12:7f:59:6b:1e:dd:ca

Digest Algorithm

sha1

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

ReadConsoleW
SetEndOfFile
WriteConsoleW
SetFilePointerEx
HeapReAlloc
HeapSize
GetConsoleMode
GetConsoleCP
CreateFileMappingW
GetProcessHeap
GetStringTypeW
GetFileType
SetStdHandle
LCMapStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
MapViewOfFile
CloseHandle
TerminateProcess
OpenProcess
GetCurrentProcessId
LocalFree
FlushFileBuffers
GetPrivateProfileStringW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
GetPrivateProfileIntW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
LoadLibraryW
GetProcAddress
FreeLibrary
CreateEventW
Sleep
GetLastError
CreateFileW
ReadFile
WaitForSingleObject
CancelIo
WideCharToMultiByte
RaiseException
InitializeCriticalSectionEx
WriteFile
ResetEvent
LoadLibraryA
GetVersionExW
GetModuleFileNameW
CreateMutexW
SetEvent
GetThreadId
GetTickCount
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetStdHandle
MultiByteToWideChar
ExitProcess
GetModuleHandleExW
GetACP
CreateThread
ExitThread
FreeLibraryAndExitThread
HeapFree
HeapAlloc
OutputDebugStringW
WaitForSingleObjectEx
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
UnmapViewOfFile

user32

LoadAcceleratorsW
GetMessageW
GetMonitorInfoW
LoadStringW
EnumDisplayMonitors
GetWindowThreadProcessId
SendMessageW
wsprintfW
KillTimer
SetTimer
EndDialog
PostQuitMessage
EndPaint
BeginPaint
DefWindowProcW
DestroyWindow
RegisterWindowMessageW
GetSystemMetrics
TranslateAcceleratorW
PostMessageW
FindWindowW
mouse_event
SendInput
GetForegroundWindow
GetCursorPos
SystemParametersInfoW
GetAsyncKeyState
GetClassNameW
GetDesktopWindow
DialogBoxParamW
ChangeWindowMessageFilter
RegisterDeviceNotificationW
CreateWindowExW
RegisterClassExW
LoadCursorW
LoadIconW
DispatchMessageW
TranslateMessage

shell32

CommandLineToArgvW
ShellExecuteW
ShellExecuteExW

winusb

WinUsb_Initialize
WinUsb_GetDescriptor
WinUsb_QueryInterfaceSettings
WinUsb_QueryPipe
WinUsb_ControlTransfer
WinUsb_ReadPipe
WinUsb_Free

psapi

GetProcessImageFileNameW

setupapi

SetupDiGetClassDevsW
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceInterfaceDetailW
SetupDiDestroyDeviceInfoList

hid

HidD_GetHidGuid
HidD_GetAttributes
HidD_GetIndexedString
HidD_SetNumInputBuffers
HidD_GetPreparsedData
HidP_GetCaps
HidD_FreePreparsedData

advapi32

CheckTokenMembership
FreeSid
OpenSCManagerW
OpenServiceW
CloseServiceHandle
RegOpenKeyExW
RegQueryValueExW
AllocateAndInitializeSid
RegCloseKey

ole32

CoUninitialize
CoInitialize

Sections

.text
Size: 130KB - Virtual size: 130KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 240B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5b71738cf40776842c82ae92e2ea9fb7

Code Sign

87:82:52:60:00:00:00:00:51:d3:73:d9Certificate

Extended Key Usages

Key Usages

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6Certificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

87:82:52:60:00:00:00:00:51:d3:73:d9Certificate

Extended Key Usages

Key Usages

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6Certificate

Extended Key Usages

Key Usages

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6dCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

4c:1f:d2:cf:cd:b1:b8:29:aa:60:8a:a4:c8:b0:90:2c:22:ee:fe:3e:cc:2a:c8:02:ed:95:0f:23:e2:4b:1c:7bSigner

63:c7:da:f7:d2:2c:98:57:0b:3c:d9:4f:82:12:7f:59:6b:1e:dd:caSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

winusb

psapi

setupapi

hid

advapi32

ole32

Sections

.text Size: 130KB - Virtual size: 130KB

.rdata Size: 59KB - Virtual size: 58KB

.data Size: 4KB - Virtual size: 12KB

.pdata Size: 8KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 240B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 93KB - Virtual size: 92KB

.reloc Size: 2KB - Virtual size: 1KB

87:82:52:60:00:00:00:00:51:d3:73:d9
Certificate

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

87:82:52:60:00:00:00:00:51:d3:73:d9
Certificate

e1:03:54:43:b5:7b:30:49:00:00:00:00:55:65:90:d6
Certificate

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

4c:1f:d2:cf:cd:b1:b8:29:aa:60:8a:a4:c8:b0:90:2c:22:ee:fe:3e:cc:2a:c8:02:ed:95:0f:23:e2:4b:1c:7b
Signer

63:c7:da:f7:d2:2c:98:57:0b:3c:d9:4f:82:12:7f:59:6b:1e:dd:ca
Signer

.text
Size: 130KB - Virtual size: 130KB

.rdata
Size: 59KB - Virtual size: 58KB

.data
Size: 4KB - Virtual size: 12KB

.pdata
Size: 8KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 240B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 93KB - Virtual size: 92KB

.reloc
Size: 2KB - Virtual size: 1KB